N-Tron 102PC User manual

Brand: N-Tron

Model: 102PC

Type: User manual

(Revised 2010-11-15)

102PC-SE

Industrial

Serial - Ethernet

Protocol Converter

User Manual &

Installation

Guide

(Revised 2010-11-15)

Table of Contents

APPLICATIONS ................................................................................................................................................ 3

SAFETY WARNINGS ....................................................................................................................................... 4

INSTALLATION ............................................................................................................................................... 6

FRONT PANEL.................................................................................................................................................. 8

APPLYING POWER (Top View) ...................................................................................................................... 9

GROUNDING TECHNIQUES……………………………………………………………………………… 10

RJ45 CONNECTOR CRIMP SPECIFICATIONS……………………………………………………………11

CONNECTING THE UNIT ............................................................................................................................. 12

SERIAL INTERFACE...................................................................................................................................... 13

TROUBLESHOOTING .................................................................................................................................... 14

FCC STATEMENT .......................................................................................................................................... 14

CLI TREE of MENUS ...................................................................................................................................... 15

SOFTWARE CONFIGURATION ................................................................................................................... 19

Web Management ................................................................................................................................. 19

Web Management Tree of Menus......................................................................................................... 21

Ethernet to Serial Connectivity ............................................................................................................. 27

o Manual Dialout ......................................................................................................................... 28

o Auto Dialout using Telnet ......................................................................................................... 29

o Auto Dialout using UDP ........................................................................................................... 29

o Remote Bridging with Modem Connection .............................................................................. 31

Serial to Ethernet Connectivity ............................................................................................................. 31

o Serial Manual Dial-in ................................................................................................................ 33

o Serial Auto Dial-in Using Telnet .............................................................................................. 33

o Serial Auto Dial-in Using UDP ................................................................................................ 34

o Serial Tunneling Mode ............................................................................................................. 36

Using E-mail Features........................................................................................................................... 36

o Sending Text E-mails From the Command Prompt .................................................................. 37

o Receiving E-mails From the Command Prompt ....................................................................... 39

KEY SPECIFICATIONS ................................................................................................................................. 40

N-Tron Limited Warranty ................................................................................................................................. 40

(Revised 2010-11-15)

Industrial Serial to Ethernet Protocol Converter Installation Guide

102PC-SE

The 102PC-SE will IP-enable any serial device to provide remote monitoring, control, and configuration

of any serial device. This device is ideal for the following applications:

Mounting legacy serial devices to the LAN

Industrial and medical remote monitoring systems

Data collection

Remote diagnostics

Remote metering

Security systems

(Revised 2010-11-15)

820 S. University Blvd., Suite 4E

Mobile, AL 36609 USA

Corp. is prohibited, except as allowed under copyright laws.

Ethernet is a registered trademark of Xerox Corporation. All other product names, company names, logos

or other designations mentioned herein are trademarks of their respective owners.

The information contained in this document is subject to change without notice. N-Tron Corp. makes no

warranty of any kind with regard to this material, including, but not limited to, the implied warranties of

merchantability or fitness for a particular purpose. In no event shall N-Tron Corp. be liable for any

incidental, special, indirect, or consequential damages whatsoever included but not limited to lost profits

arising out of errors or omissions in this manual or the information contained herein.

Warning

Do not perform any services on the unit unless qualified to do so. Do not substitute unauthorized parts or

make unauthorized modifications to the unit.

Do not operate the unit with the top cover removed, as this could create a shock or fire hazard.

Do not block the air vents on the sides or the top of the unit.

Do not operate the equipment in the presence of flammable gasses or fumes. Operating electrical equipment

in such an environment constitutes a definite safety hazard.

Do not operate the equipment in a manner not specified by this manual.

Safety Warnings

GENERAL SAFETY

WARNING: If the equipment is used in the manner not specified by N-Tron Corp., the protection provided by

the equipment may be impaired.

Contact Information

N-Tron Corp.

820 South University Blvd.

Suite 4E

Mobile, AL 36609

TEL: (251) 342-2164

FAX: (251) 342-6353

Website: www.n-tron.com

Email: N-TRON_Support@n-tron.com

(Revised 2010-11-15)

ENVIRONMENTAL SAFETY

WARNING: Disconnect the power and allow to cool 5 minutes before touching.

ELECTRICAL SAFETY

WARNING: Disconnect the power cable before removing the enclosure top.

WARNING: Do not operate the unit with the top cover removed.

WARNING: Properly ground the unit before connecting anything else to the unit. Units not properly

grounded may result in a safety risk and could be hazardous and may void the warranty. See the grounding

technique section of this user manual for proper ways to ground the unit.

WARNING: Do not work on equipment or cables during periods of lightning activity.

WARNING: Do not perform any services on the unit unless qualified to do so.

WARNING: Do not block the air vents.

WARNING: Observe proper DC Voltage polarity when installing power input cables. Reversing voltage

polarity can cause permanent damage to the unit and void the warranty.

(Revised 2010-11-15)

Key Features

Serial interface supports speeds up to 115.2Kbps

High performance 10/100BaseT Ethernet bridge

High performance processor runs ARP, DHCP client, ICMP, IP, PPP, TCP, Telnet, TFTP, HTTP server,

SMTP client, POP3 client, and PPP compression

Half duplex or full duplex support on the LAN interface

256 frame buffer for Ethernet bridging

Stores 10,000 MAC addresses

Automatically learns MAC addresses

Command line interface

The 102PC-SE operates on 10-30VDC

Housed in a steel ruggedized DIN rail enclosure, designed to withstand the most demanding industrial

applications, and have been fully tested and certified at industrial environmental extremes

PACKAGE CONTENTS

Please make sure the Serial over Ethernet package contains the following items:

1. 102PC-SE Protocol Converter

2. Product CD

Contact your carrier if any items are damaged.

Article I. INSTALLATION

Read the following warning before beginning the installation:

WARNING

Never install or work on electrical equipment or cabling during periods of lightning activity. Never connect

or disconnect power when hazardous gasses are present.

Disconnect the power cable before removing the enclosure top.

Do not operate the unit with the top cover removed

UNPACKING

Remove all the equipment from the packaging, and store the packaging in a safe place. File any damage

claims with the carrier.

CLEANING

Clean only with a damp cloth.

(Revised 2010-11-15)

SERVICING

Jumper J1 can be changed on the board to change the RJ45 copper port‟s MDIX setting. See Connecting the Unit on page 9 for

more details.

DIN Rail Mounting

Install the unit on a standard 35mm DIN rail. Recess the unit to allow at least 5” of horizontal clearance for serial cable bend

radius.

To install the unit to 35mm industrial DIN rail, place the

top edge of the included mounting bracket on the back of

the unit against the DIN rail at a 15° angle as shown.

Rotate the bottom of the unit to the back (away from you)

until it snaps into place.

To remove the unit from the 35mm industrial DIN rail,

place a flat head screwdriver into the orange release clip

found at the bottom of the unit, and apply downward force

on the clip until it disengages from the bottom of the unit

from the DIN rail. Rotate the bottom of the unit towards

you and up at an approximate 15° upward angle to

completely remove the unit.

300-PM 900-PM

URMK

With the exception of the 524TX and

526FX2, all N-Tron™ products are designed

to be mounted on industry standard 35mm

DIN rail. However, DIN rail mounting may

not be suitable for all applications. We offer

three alternative mounting solutions: Our 300

Panel Mount Assembly (P/N: 300-PM) may

be used to mount a single 100 or 300 Series

unit to a panel or other flat surface. Our 900

Panel Mount Assembly (P/N: 900-PM) may

be used to securely mount our 100, 200, 300,

400, 500, or 900 Series products to a panel or

other flat surface; Our Universal Rack Mount

Kit (P/N: URMK) may be used to mount our

products to standard 19" racks.

(Revised 2010-11-15)

FRONT PANEL

From Top to Bottom:

Green LED lights when Power is connected

RJ45 Ports Auto sensing 10/100 BaseTX Connections

Serial RS232 serial port with DCE configuration

NOTE: The RJ45 data port has two LED‟s located at the left side of the connector. The top LED indicates

Activity (ACT), and the lower LED indicates Link (LNK) status.

LED’s: The table below describes the operating modes:

LED

Color

Description

GREEN

Power is Applied

OFF

Power is OFF

LNK

GREEN

10/100Mb Link between ports

OFF

No Link between ports

ACT

GREEN

Data is active between ports

OFF

Data is inactive between ports

(Revised 2010-11-15)

APPLYING POWER (Top View)

Unscrew & Remove the DC Voltage Input Plug from the Power Input Header

Install the DC Power Cables into the Plug (observing polarity).

Plug the Voltage Input Plug back into the Power Input Header.

Tightening torque for the terminal block power plug is 0.22 Nm/0.162 Pound Foot.

Verify the Power LED stays ON (GREEN).

Note: Only 1 power supply must be connected to power for minimal operation. For redundant power

operation, V

and V

inputs must be connected to separate DC Voltage sources. This device will draw

current from both sources simultaneously. Use 16-28 gauge wire when connecting to the power supply.

Recommended 24V DC Power Supplies, similar to:

100VAC/240VAC:

N-Tron‟s NTPS-24-1.3, DC 24V/1.3A

(Revised 2010-11-15)

N-TRON SWITCH GROUNDING TECHNIQUES

The grounding philosophy of any control system is an integral part of the design. N-Tron switches are designed

to be grounded, but the user has been given the flexibility to float the switch when required. The best noise

immunity and emissions (i.e. CE) are obtained when the N-Tron switch chassis is connected to earth ground via

a drain wire. Some N-Tron switches have metal din-rail brackets that can ground the switch if the din-rail is

grounded. In some cases, N-Tron switches with metal brackets can be supplied with optional plastic brackets if

isolation is required.

Both V- legs of the power input connector are connected to

chassis internally on the PCB. Connecting a drain wire to

earth ground from one of the V- terminal plugs as shown here

will ground the switch and the chassis. The power leads from

the power source should be limited to 3 meters or less in

length.

As an alternate, users can run a drain wire & lug from any of the Din-Rail

screws or empty PEM nuts on the enclosure. When using an unused PEM

nut to connect a ground lug via a machine screw, care should be taken to

limit the penetration of the outer skin by less than 1/4 in. Failure to do so

may cause irreversible damage to the internal components of the switch.

Note: Before applying power to the grounded switch, you must use a volt

meter to verify there is no voltage difference between the power supply‟s

negative output terminal and the switch chassis grounding point.

If the use of shielded cables is required, it is generally recommended to only connect the shield at one end to

prevent ground loops and interfere with low level signals (i.e. thermocouples, RTD, etc.). Cat5e cables

manufactured to EIA-568A or 568B specifications are required for use with N-Tron Switches.

In the event all Cat5e patch cable distances are small (i.e. All Ethernet devices are located the same local

cabinet and/or referenced to the same earth ground), it is permissible to use fully shielded cables terminated to

chassis ground at both ends in systems void of low level analog signals.

(Revised 2010-11-15)

RJ45 CONNECTOR CRIMP SPECIFICATIONS

Please reference the illustration below for your Cat5 cable specifications:

(Revised 2010-11-15)

CONNECTING THE UNIT

For DCE serial devices (like a modem) use a null modem RS-232 cable to connect to the 102PC-SE. For a

DTE serial device (like a computer) use a straight through RS-232 cable.

For the 10/100 Base-TX port, plug a Category 5E twisted pair cable into the RJ45 connector. Connect the

other end to a PC or a network through a hub or switch. A standard straight through or cross-over Category

5E cable may be used to connect to either device. The MDIX mode of the 102PC-SE can be changed using

jumper J1 on the board. By factory default the device is set up to use a straight through cable for a PC. Any

N-Tron switch will automatically determine what MDIX the 102PC-SE is using and will connect it to the

network.

(Revised 2010-11-15)

SERIAL INTERFACE

The 102PC-SE provides an EIA-232 interface accessed via a 9 pin male connector (labeled „COM‟ on the

unit). This is used to access the Command Line Interpreter (CLI), and to attach serial devices to the

network over Ethernet. The pin-outs are shown below:

Default Port Settings:

Baud-Rate: 115200

Data Bits: 8

Parity: None

Stop Bits: 1

Flow Control: Hardware

RTS-CTS

Serial Cable

Connect the serial COM port of your PC and the 102PC-SE Protocol Converter using a standard straight

through cable. You will need a cable with a 9-pin or 25-pin sub-D female connector for the PC end (DTE

device), and a 9-pin female sub-D connector for the 102PC-SE end (DCE device).

The following table shows the pin-out and the connections for a straight through cable:

PC/DTE Device Cable End

102 PC-SE Cable End

DTE Device

25-Pin

9-Pin

Port

Female

9-Pin Female

Signal Name

Pin #

Signal Name

DCD

DTR

RXD

TXD

RXD

DTR

DSR & DCD

GND

DSR

DTR

RTS

CTS

RTS

Connect the serial COM port of your DCE device and the 102PC-SE Protocol Converter using a null

modem cable. You will require a cable with a 9-pin or 25-pin sub-D connector for your DCE device end,

and a 9-pin female sub-D connector for the 102PC-SE end.

The following table shows the pin-out and the connections for a null modem cable:

DCE Device Cable End

102 PC-SE Cable End

DCE Device

25-Pin

9-Pin

Port

Female

9-Pin Female

Signal Name

Pin #

Signal Name

DTR

6+1

DSR & DCD

TXD

RXD

TXD

DSR & DCD

6+1

DTR

GND

CTS

RTS

CTS

RS-232

DTR

TXD

RXD

DSR & DCD

GND

DTR

CTS

RTS

(Revised 2010-11-15)

TROUBLESHOOTING

1. Make sure the (Power LED) is ON.

2. Make sure you are supplying sufficient current for the version chosen. Note: The Inrush current

will exceed the steady state current by ~ 2X.

3. Verify that Link LED‟s are ON for connected ports.

4. Verify cabling used between stations.

5. Verify that cabling is Category 5E or greater for 100Mbit Operation.

6. Verify that a null-modem cable is being used to connect other DCE devices to the serial port, or that

a straight through cable is being used to connect a PC to the serial port.

SUPPORT

Contact N-Tron Corp. at:

TEL: 251-342-2164

FAX: 251-342-6353

www.n-tron.com

[email protected]

FCC STATEMENT

This product complies with Part 15 of the FCC-A Rules.

Operation is subject to the following conditions:

(1) This device may not cause harmful Interference

(2) This device must accept any interference received, including interference that may cause undesired

operation.

(Revised 2010-11-15)

CLI TREE of MENUS

 Set (Set configurable fields)

o ag-server (Configure ag-server)

 enable/disable (enable or disable ag-server)

o auto-discovery (Configure auto-discovery feature)

 broadcast-timer (set the broadcast timer)

 enable/disable (enable or disable auto-discovery)

 server-port (set the server‟s port number)

o boot-messages (Setup boot messages)

 enable/disable (enable or disable boot-messages)

o bridge (Configure bridge modes)

 enable/disable (enable or disable bridge mode)

 ipmodule ip-address (Configure the bridge‟s ip address)

o date (Configure the date in DD/MM/YYYY format)

o device-parameter (Set new device parameters, up to 99)

o ftp (Configure FTP information)

 machine (remove FTP login options)

 filename (specify the filename)

 filesize (specify the file size)

 directory (specify a directory)

o login (Configure login settings)

 auto-dialout-login (enable or disable auto-dialout-login)

 enable/disable (enable or disable login feature)

o ip (Configure IP settings for the Ethernet port eth0)

 auto-dialout (enable or disable the auto-dialout feature)

 def-gway (setup the default gateway in the format of xxx.xxx.xxx.xxx)

 dns (enable or disable the DNS features below)

 hostname (setup the 102PC-SE‟s hostname)

 http (enable or disable the webpage options)

 http-page (display the serial page or the default page)

 http-port (configure the port number that the web page is broadcasted over)

 http-banner (set a string to be the http banner)

 pri-dns (setup the primary DNS server in the format of xxx.xxx.xxx.xxx)

 sec-dns (setup the secondary DNS server in the format of xxx.xxx.xxx.xxx)

 syslogd (enable or disable system logging)

 syslogd-server (setup the server for log files in the format of xxx.xxx.xxx.xxx)

 tcp-keepalive (configure the time intervals between keep alives, 3-120 minutes)

 telnet (configure user settings when using telnet to connect to the device)

escape-monitor (enable or disable the escape monitor)

escape-string (set the escape string, default is „+++inet‟)

inactivity (enable or disable an inactivity timout)

inactivity-timeout (set the inactivity age time)

raw-mode (enable or disable raw mode)

 telnet-port (set the telnet port number)

 tftp (enable or disable TFTP)

 udp (configure udp settings)

inactivity (enable or disable udp‟s inactivity feature)

inactivity-timeout (set the inactivity timeout period)

terminate-monitor (enable or disable terminate-monitor)

terminate-string (set the terminate string)

 eth0 (configuration options for Ethernet port eth0)

dhcp-client (enable or disable DHCP over eth0)

ip-address (set a static IP address and subnet mask)

o ppp ppp0 (Configure ppp settings for the ppp0 port)

 auth-type (chap, pap, or pap-chap authentication types)

 authentication (enable or disable authentication)

 compression (enable or disable compression)

 comp-type (bsd, deflate, or both compression types)

 enable/disable (enable or disable ppp0)

 password (set a ppp0 password)

 raw-mode (enable or disable raw-mode)

 username (set a ppp0 username)

(continued…)

(Revised 2010-11-15)

o recv-mail (Configure incoming mail options)

 leave-on-server (enable or disable to leave messages on the server)

 mailbox-name (set the mailbox‟s name)

 mailbox-password (set the mailbox‟s password)

 server-name (set the server‟s name)

 server-port (set the server‟s port number)

o send-mail (Configure outgoing mail options)

 smtp-server-name (set the smtp server name)

 smtp-server-port (set the smtp server port number)

 host-name (set the host name)

 from-address (set the mail ID for the from address, ex. info@n-tron.com)

 from-address-identity (string associated with the mail ID, ex. N-Tron)

 to-address (set the to mail address field)

 cc-address (set the cc mail address field)

 reply-to-address (set the mail ID reply to address)

 subject (set the subject field of the message)

o serial (Configure the serial settings for the serial port s0)

 auto-dialin (enable or disable auto-dialin)

 escape-monitor (enable or disable escape monitor)

 escape-string (set the escape string, default „+++inet‟)

 s0 (configuration options for serial port s0)

auto-dialin (configure auto dialin settings)

o enable/disable (enable or disable auto-dialin)

o message (enable or disable auto-dialin message)

o trig-mode (char, dtr, dtr-char, or none trig mode options)

auto-dialin-ipaddress (set an IP address for the auto-dialin feature)

auto-dialin-port (set the port number for the auto-dialin feature)

auto-dialin-protocol (telnet)

auto-dialout (enable or disable auto dialout)

auto-dialout-port (set the port number for the auto-dialout feature)

auto-dialout-protocol (telnet)

baud-rate (Possible baud-rate value(s) are 300 600 1200 1800 2400 4800 9600 19200 38400 57600

115200 230400)

buffer-datasize (Buffer data-size range: [1-1500] bytes)

buffer-time (set a buffer time in seconds, 0 for no buffer)

chat-script (Chat-script is used to establish physical link from the dialing to answering end in case of

modem connect, when modem dialing-method is set to chat-script.)

connect-state (answering or dialing state)

connect-type (direct or modem connect type)

data-bits (set the number of data-bits over the serial line, default is 8 bits)

dialout-monitor (set the dialout monitor to dtr or none)

echo-command (enable or disable the echo command)

flow-control (rts-cts or none)

host-interaction-mode (enable or disable host interaction mode)

modem (modem configuration)

o connect-string (set the connect string for a modem)

o dial-number (set the number to dial)

o dial-prefix (any prefix dialing needed can be set here)

o dial-suffix (any suffix dialing needed can be set here)

o dialing-method (use configuration of chat-script)

o hangup-string (set string used to hang up the line)

o init-string (set init number [1-5])

o ok-string (set an ok string)

o ring-string (set a ring string)

parity (none, odd, or even parity)

raw-dialin (enable or disable raw-dialin)

raw-dialout (enable or disable raw-dialout)

stop-bits (set the number of stop bits [1, 1.5, or 2])

o time (Set system time HH:MM:SS)

o watchdog (Enable or disable watchdog)

(continued…)

(Revised 2010-11-15)

 Show (Show general and detailed information)

o bridge (Shows bridging configuration and statistics)

o buildrun (Shows the buildrun settings)

o configuration (Shows the general configuration)

o date (Shows the date and time)

o device-parameter (Show device parameters configured)

o ftp configuration (Shows the FTP configuration settings)

o ip eth0 (Shows Ethernet port eth0 information)

 configuration (shows the configuration of the eth0 port)

 statistics (shows data statistics of the activity over the eth0 port)

o http configuration (Shows the HTTP configuration settings)

o ppp (Shows the ppp information)

 configuration (shows the configuration for ppp)

 statistics (shows data statistics of the activity over ppp)

o recv-mail config (Shows the POP3 configuration settings)

o send-mail config (Shows the SMTP configuration settings)

o serial s0

 chat-script (shows the chat-script lines)

 configuration (shows the configuration settings for serial port s0)

 modem-configuration (shows the modem configuration settings over the serial port s0)

 statistics (shows the data statistics of the activity over the serial port s0)

o snmp-agent config (Shows the SNMP configuration settings)

o sntp-client config (Shows the SNTP configuration settings)

o statistics (Shows the general statistics of the 102PC-SE)

o sys-info (Shows general system information including the MAC address)

o time (Shows the system date and time)

o users (Shows the users setup for the 102PC-SE)

 Help (Displays a list of available commands)

 Usage (Displays a list of all commands)

 User (Add or edit users)

o add (Add a user)

o delete (Delete a user)

o password (Set the password for a user)

 Save (Saves the configurations made and restarts the 102PC-SE)

 Dialout serial s0 (Used to dialout or look out the serial port over the Ethernet port)

 Send-mail (Sends mail, not available over telnet)

 Recv-mail (Received mail options)

o delete (delete messages)

o header (view message header)

o list (list messages)

o mail (downloads messages from POP3 server)

o stat (displays the number of e-mails and total e-mail size)

o top (displays the header and the top part of a message)

o unique-id-listing (displays a unique ID for each message)

 Restore session (Restores a dialout session if you paused it earlier with the escape-string)

(continued…)

(Revised 2010-11-15)

 Socket (Actions to take over a UDP socket)

o close (closes a socket by its handle <socket_handle>)

o closeall (closes all the sockets)

o flush (flush out a socket by its handle <socket_handle>)

o flushall (flush out all the sockets)

o listall (lists all the sockets (TCP connect, TCP listen, and UDP sockets))

o listlisten (lists all the TCP listen sockets)

o recv [-s <max_size>] <socket_handle> (receive over a socket)

o send < [-s <size>] [-d <delimiter>] > [-m <MTU>] <socket_handle> (send over a socket)

o stat [-s] [-d] <socket_handle> (lists stats for sockets, -s: socket only, -d: socket detail)

o tcp <remote_ip> <remote_port> (set up the tcp socket information)

o tcplisten <local_port> [backlog] (listen on a TCP socket)

o udp <remote_ip> <remote_port> [local_port] (for UDP server set remote_ip to 0.0.0.0)

note: local_port is required for UDP server

 Telnet (Allows telnet sessions from the hyper terminal over the serial port)

 Ftp (Allows FTP sessions from the hyper terminal over the serial port)

 Exit (Logs the user off the telnet or hyper terminal session)

 Restore default-config (Sets all config settings back to the default configuration file)

(Revised 2010-11-15)

Software Configuration

Web Management

The 102PC-SE offers users the ability to remotely logon and configure the 102PC-SE through a web browser.

Note: By default the 102PC-SE has an IP address of 192.168.1.202 with a subnet mask of 255.255.255.0. If the 102PC-

SE sees a DHCP server on the network he will use that and acquire the next available IP address that the DHCP

server has in its DHCP pool. You must know what the IP address is before you can configure the 102PC-SE

through a web browser. If you need to you can configure a static IP address through the serial port.

Once an IP address has been configured for the unit it can be remotely configured through a web browser. To configure it

over a web browser simply enter the IP address in the web address line of the web browser.

You should be prompted to enter a user name and password. You can configure multiple user accounts.

Default Settings:

User Name: admin

Password: admin

Once logged in you will be confronted with the following page. Simply click on either link by default they both end up

loading to the same page.

Note: The Host Configuration page is available

to give the user a place to customize the

web management features for the serial

device that they attach to the 102PC-SE.

By default this page is simply forwarded

to the IPModule Configuration page.

N-Tron does NOT provide software

development support for users who wish

to customize the Host Configuration

page.

(Revised 2010-11-15)

Both links should display the page below. Here you can configure every option that the 102PC-SE will support.

Note: If you can‟t find an option that you are

looking to configure you may manually

enter the command in through the web

browser under the command link at the

top of the page.

Don‟t forget to save the running configuration after making changes. Otherwise settings may not change after a power

cycle on the switch.

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N-Tron 102PC User manual

N-Tron 102PC User manual

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